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AU2003254312A1 - Frequency synchronization during cell search in a universal mobile telephone system receiver - Google Patents

Frequency synchronization during cell search in a universal mobile telephone system receiver

Info

Publication number
AU2003254312A1
AU2003254312A1 AU2003254312A AU2003254312A AU2003254312A1 AU 2003254312 A1 AU2003254312 A1 AU 2003254312A1 AU 2003254312 A AU2003254312 A AU 2003254312A AU 2003254312 A AU2003254312 A AU 2003254312A AU 2003254312 A1 AU2003254312 A1 AU 2003254312A1
Authority
AU
Australia
Prior art keywords
mobile telephone
telephone system
universal mobile
cell search
frequency synchronization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003254312A
Inventor
Wen Gao
Louis Robert Litwin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU2003254312A1 publication Critical patent/AU2003254312A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0602Systems characterised by the synchronising information used
    • H04J3/0605Special codes used as synchronising signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/70735Code identification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7083Cell search, e.g. using a three-step approach
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0036Correction of carrier offset using a recovered symbol clock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0071Control of loops
    • H04L2027/0073Detection of synchronisation state

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AU2003254312A 2003-08-04 2003-08-04 Frequency synchronization during cell search in a universal mobile telephone system receiver Abandoned AU2003254312A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/024358 WO2005018122A1 (en) 2003-08-04 2003-08-04 Frequency synchronization during cell search in a universal mobile telephone system receiver

Publications (1)

Publication Number Publication Date
AU2003254312A1 true AU2003254312A1 (en) 2005-03-07

Family

ID=34192545

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003254312A Abandoned AU2003254312A1 (en) 2003-08-04 2003-08-04 Frequency synchronization during cell search in a universal mobile telephone system receiver

Country Status (6)

Country Link
US (1) US20080151839A1 (en)
EP (1) EP1652324A1 (en)
JP (1) JP2007521679A (en)
CN (1) CN1820437A (en)
AU (1) AU2003254312A1 (en)
WO (1) WO2005018122A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292461B (en) * 2005-08-23 2011-12-14 诺基亚公司 Apparatus, method and computer program product providing initial cell acquisition and pilot sequence detection
US8223625B2 (en) * 2006-08-23 2012-07-17 Qualcomm, Incorporated Acquisition in frequency division multiple access systems
CN101267226B (en) * 2007-03-14 2012-06-06 中兴通讯股份有限公司 An information sending method for auxiliary synchronization channel and cell search method
US8457178B2 (en) 2007-03-26 2013-06-04 Qualcomm Incorporated Frequency offset estimator
US8054823B2 (en) * 2007-06-18 2011-11-08 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
US9332515B2 (en) 2007-06-18 2016-05-03 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
EP2259520A1 (en) * 2009-06-02 2010-12-08 ST-Ericsson SA Process for computing a frequency offset for a UMTS communication system based on the CPICH pilot signals
CN102045286B (en) * 2009-10-12 2014-03-12 联芯科技有限公司 Method and device for evaluating frequency offset, and method and device for detecting master synchronization sequences
US8447005B2 (en) * 2009-11-05 2013-05-21 Telefonaktiebolaget L M Ericsson (Publ) Frequency synchronization methods and apparatus
US8588136B2 (en) * 2010-04-20 2013-11-19 Pctel, Inc. System and method for SSS detection under carrier frequency offset in an orthogonal frequency-division multiple access downlink channel
JP4781482B1 (en) * 2010-12-17 2011-09-28 パナソニック株式会社 Frequency offset compensation apparatus and frequency offset compensation method
US9154963B2 (en) * 2012-06-25 2015-10-06 Qualcomm Incorporated Methods and apparatuses for flash WCDMA frequency scans
GB2513870A (en) 2013-05-07 2014-11-12 Nec Corp Communication system

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6097770A (en) * 1996-10-31 2000-08-01 Lucent Technologies Inc. Frequency offset estimation for wireless systems based on channel impulse response
US6134286A (en) * 1997-10-14 2000-10-17 Ericsson Inc. Synchronization techniques and systems for radiocommunication
US6175588B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
US6560298B1 (en) * 1999-05-25 2003-05-06 Motorola, Inc. Method and apparatus for concurrent synchronization and improved automatic frequency control in a communication device
US6208842B1 (en) * 1999-09-30 2001-03-27 Motorola Inc. Method and apparatus for estimating a channel parameter
KR100319927B1 (en) * 2000-01-11 2002-01-09 윤종용 Apparatus for cell search and method for acquiring the code perculiar to each cell in asynchronous wideband CDMA receiver
GB2359456B (en) * 2000-02-19 2003-09-17 Nec Technologies Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
US6597729B1 (en) * 2000-03-29 2003-07-22 Texas Instruments Incorporated Joint position and carrier frequency estimation method of initial frequency acquisition for a WCDMA mobile terminal
JP2002009670A (en) * 2000-06-23 2002-01-11 Hitachi Ltd Synchronization acquisition circuit
JP4459410B2 (en) * 2000-08-07 2010-04-28 モトローラ・インコーポレイテッド Slot timing detection method and cell search method incorporating frequency offset adjustment
JP3846546B2 (en) * 2000-08-29 2006-11-15 日本電気株式会社 Frequency offset estimator
GB2367211B (en) * 2000-09-20 2004-03-17 Nec Technologies Slot timing and frequency offset correction in a direct sequence spread spectrum communications receiver
GB2367212B (en) * 2000-09-20 2004-07-07 Nec Technologies Evaluation of UMTS mobile receiver reference
GB2368751B (en) * 2000-09-20 2004-04-21 Nec Technologies Removal of reference frequency offset of a local oscillator in a telecommunications receiver
JP2002353859A (en) * 2001-05-29 2002-12-06 Yozan Inc Frequency control method for w-cdma communication system and mobile station
JP3394530B2 (en) * 2001-08-07 2003-04-07 松下電器産業株式会社 Cell search apparatus and cell search method
US7826493B2 (en) * 2001-08-27 2010-11-02 Broadcom Corp. Frequency offset correction circuit for WCDMA
JP2003153326A (en) * 2001-11-09 2003-05-23 Yozan Inc Cell search method, cell search device, and locomotor terminal device
JP2003169369A (en) * 2001-11-30 2003-06-13 Yozan Inc Method and device for cell search, and mobile body terminal
CA2471991A1 (en) * 2002-01-21 2003-07-31 Siemens Mobile Communications S.P.A. Method and mobile station to perform the initial cell search in time slotted systems
US7126981B2 (en) * 2002-04-25 2006-10-24 Accton Technology Corporation Method and apparatus for cell search for W-CDMA with effect of clock offset
KR100479864B1 (en) * 2002-11-26 2005-03-31 학교법인 중앙대학교 Method and apparatus embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same

Also Published As

Publication number Publication date
US20080151839A1 (en) 2008-06-26
EP1652324A1 (en) 2006-05-03
WO2005018122A1 (en) 2005-02-24
JP2007521679A (en) 2007-08-02
CN1820437A (en) 2006-08-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase